.head {
  height: 5.6rem;
  background-repeat: no-repeat;
  background-size: cover;
}

.head_d1 {
  width: 1200px;
  margin: 0 auto;
  padding-top: 1.35rem;
  padding-bottom: 1.3rem;
}

.head_p1 {
  font-size: 0.46rem;
  color: white;
  line-height: 1;
  margin-bottom: 0.17rem;
  letter-spacing: 1px;
}

.head_p2 {
  font-size: 0.2rem;
  color: white;
  line-height: 1;
  margin-bottom: 0.36rem;
  letter-spacing: 4px;
  text-indent: 4px;
  font-family: arial;
}

.head_p3 {
  width: auto;
  font-size:  0.14rem;
  color: white;
  line-height: 0.3rem;
}

.head_d2 {
  display: flex;
  align-items: center;
  margin-top: 0.55rem;
  cursor: pointer;
}

.head_d2 img {
  width: 0.7rem;
  height: 0.7rem;
  object-fit: contain;
  display: block;
  margin-right: 0.16rem;
}

.head_d2 p {
  font-size: 0.22rem;
  color: white;
  border-bottom: 1px solid white;
  letter-spacing: 1px;
}

/*  */

.chall_bg {
  background-color: #f0f3f7;
  width: 100%;
  overflow: hidden;
}

.chall {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  padding-top: 1.3rem;
  padding-bottom: 1.35rem;
}

.chall_l {
  min-width: 4.1rem;
  width: 4.1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.chall_p1 {
  font-size: 0.58rem;
  color: #619fd0;
  position: relative;
  line-height: 1;
  padding-bottom: 0.3rem;
  margin-bottom: 0.3rem;
}

.chall_p1::after {
  content: "";
  position: absolute;
  left: 4px;
  bottom: 0;
  width: 0.42rem;
  height: 5px;
  background-color: #619fd0;
}

.chall_r {
  flex-grow: 1;
  padding-left: 1.4rem;
  padding-top: 0.3rem;
}

.chall_list {
  height: 4.42rem;
  overflow-y: scroll;
}

.chall_item {
  margin-bottom: 0.5rem;
  width: 6.1rem;
}

.chall_item:last-of-type {
  margin-bottom: 0;
}

.chall_p2 {
  display: flex;
  align-items: center;
  font-size: 0.18rem;
  color: #333947;
  margin-bottom: 0.12rem;
}

.chall_p2 img {
  width: 0.28rem;
  height: 0.24rem;
  object-fit: contain;
  margin-right: 0.2rem;
}

.chall_p3 {
  font-size: 0.14rem;
  line-height: 0.24rem;
  color: #333947;
  padding-left: 0.5rem;
}

/* 解决方案 */

.solution {
  width: 1200px;
  margin: 0 auto;
  padding-top: 1rem;
  padding-bottom: 1.27rem;
}

.solution .pub_title {
  margin-bottom: 0.25rem;
}

.solution_p1 {
  width: 100%;
  text-align: center;
  margin: 0 auto 0.56rem;
  line-break: 1;
  font-size: 14px;
  color: #84879a;
}

.solution_list {
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.solution_item {
  width: 2rem;
  text-align: center;
  transition: 0.35s;
  margin-right: 1.1rem;
  min-height: 3.3rem;
  padding-top: 0.43rem;
  padding-bottom: 0.2rem;
  border-radius: 8px;
}

.solution_item:hover {
  box-shadow: 0 0 10px 1px rgba(102, 102, 102, 0.2);
}

.solution_item:last-of-type {
  margin-right: 0;
}

.solution_img {
  height: 1rem;
}

.solution_img img {
  object-fit: contain;
  margin: 0 auto;
  display: block;
  max-width: 100%;
  max-height: 100%;
}

.solution_p2 {
  font-size: 18px;
  color: #333947;
  line-height: 1;
  margin: 0.2rem 0;
}

.solution_p3 {
  font-size: 14px;
  color: #464d61;
  line-height: 2;
}

/*  */

.track_bg {
  width: 100%;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
  overflow: hidden;
  max-height: 6.3rem;
}

.track {
  width: 1200px;
  margin: 0 auto;
  padding: 1.4rem 0.65rem 1.4rem 1.4rem;
  display: flex;
}

.track_l {
  width: 5.17rem;
  min-width: 5.17rem;
  font-size: 0.58rem;
  color: white;
  line-height: 0.72rem;
}

.track_l p {
  position: relative;
  padding-bottom: 0.2rem;
  letter-spacing: 2px;
}

.track_l p::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0.42rem;
  height: 0.05rem;
  background-color: white;
}

.track_r p {
  font-size: 0.18rem;
  color: white;
  margin-bottom: 0.15rem;
  font-family: Arial, "思源黑体 CN";
  letter-spacing: 1px;
  line-height: 1.4;
}

.track_r span {
  font-size: 0.32rem;
  color: white;
}

/*  */

.money_bg {
  background-color: #f0f3f7;
  width: 100%;
  overflow: hidden;
}

.money {
  display: flex;
  width: 1200px;
  margin: 0 auto;
  padding: 0.86rem 0;
}

.money_img {
  margin-right: 2.2rem;
}

.money_r {
  padding-top: 0.56rem;
}

.money_p1 {
  font-size: 0.38rem;
  color: #333947;
  line-height: 1;
  margin-bottom: 0.34rem;
  font-family: Arial, "思源黑体 CN";
}

.money_p2 {
  font-size: 0.14rem;
  color: #464d61;
  line-height: 1.7;
}

.money_p3 {
  background-color: #619fd0;
  border-radius: 3px;
  width: 1.56rem;
  height: 0.5rem;
  line-height: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: white;
  margin-top: 40px;
  cursor: pointer;
}

.money_p3 img {
  margin-right: 10px;
  height: 18px;
  object-fit: contain;
}

/*  */

.hgfw {
  background-color: #f0f3f7;
  width: 100%;
  overflow: hidden;
  padding-top: 1rem;
  padding-bottom: 0.5rem;
}

.hgfw_d2 {
  background-color: #ffffff;
  width: 100%;
  overflow: hidden;
  padding-top: 0.8rem;
  padding-bottom: 1rem;
}

.hgfw_d2 .hgfw_p1 {
  margin-bottom: 0.76rem;
}

.hgfw_p1 {
  font-size:  16px;
  color: #333947;
  text-align: center;
  margin-bottom: 0.4rem;
}

.hgfw_img {
  max-width: 90%;
  margin: 0 auto;
}

.hgfw_img img {
  max-width: 100%;
  object-fit: contain;
  display: block;
  margin: 0 auto
}

/*  */

/*  */

.advan_bg {
  padding: 1.3rem 0;
  background-color: #f0f3f7;
  overflow: hidden;
  width: 100%;
}

.advan {
  width: 1200px;
  margin: 0 auto;
  display: flex;
}

.advan_l {
  width: 5.6rem;
  min-width: 5.6rem;
  margin-left: 0.8rem;
  margin-top: 0.35rem;
}

.advan_item {
  margin-bottom: 0.36rem;
  cursor: pointer;
}


.advan_p1 {
  font-size: 18px;
  color: #619fd0;
  margin-top: 0.32rem;
  letter-spacing: 0.5px;
  line-height: 1.6;
}

.advan_p2 {
  font-size: 14px;
  color: #333947;
  line-height: 28px;
  background-color: rgba(255, 255, 255, 0.4);
  padding: 0.2rem 0.2rem;
  border-radius: 10px;
  margin: 0.22rem 0 0.44rem 0;
  box-shadow: 0 0 10px 1px rgba(102, 102, 102, 0.2);
  letter-spacing: 0.5px;
}

.advan_p3 {
  font-size: 18px;
  color: #333947;
  line-height: 1;
  letter-spacing: 0.5px;
  transition: 0.2s;
}

.advan_r {
  flex-grow: 1;
  text-align: right;
  transform: translateY(-0.1rem);
}

.advan_p4 {
  font-size: 0.58rem;
  color: #619fd0;
  line-height: 1;
  padding-bottom: 0.3rem;
  position: relative;
  margin-bottom: 0.4rem;
  letter-spacing: 2px;
}

.advan_p4::after {
  content: "";
  width: 0.42rem;
  height: 0.05rem;
  background-color: #619fd0;
  position: absolute;
  right: 5px;
  bottom: 0;
}

.advan_r_img img {
  margin-left: auto;
}

/*  */

.advan_p2 {
  display: none;
}

/* 
.advan_item:hover .advan_p2 {
  display: block;
} */

.advan_item.on .advan_p2 {
  display: block;
}

.advan_item.on .advan_p3 {
  color: #619fd0;
}

@media screen and (min-width: 1200px) {
  .chall_list::-webkit-scrollbar {
    width: 8px;
    background-color: #f5f5f5;
  }

  .chall_list::-webkit-scrollbar-thumb {
    background-color: #caced4;
    border-radius: 30px;
  }
}

@media screen and (max-width: 1920px) {}

@media screen and (max-width: 800px) {

  .track_l,
  .money_img {
    display: none;
  }

  .head_d1,
  .chall_l,
  .chall_r,
  .advan,
  .money,
  .hgfw_p1,
  .solution {
    width: 90%;
    margin: 0 auto;
  }

  .head_p3,
  .chall,
  .chall_item,
  .advan_l,
  .track,
  .money_img,
  .money_img img,
  .money_p3,
  .advan_p1 {
    width: 100%;
    min-width: 100%;
  }

  .chall,
  .money {
    display: block;
  }

  .chall_r {
    padding-left: 0;
  }

  .chall {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }

  .advan_item {
    width: 100%;
  }

  .advan_p2 {
    display: block !important;
  }

  .advan_item:nth-of-type(2n) {
    margin-right: 0;
  }

  .track {
    padding: 0.5rem;
  }

  .money_img {
    margin-right: 0;
  }

  .money_p2 {
    font-size: 0.2rem;
  }

  .chall_p3 {
    font-size: 0.18rem;
  }

  .chall_p2 {
    font-size: 0.24rem;
  }

  .head_p3 {
    font-size: 0.18rem;
  }

  .chall_list {
    height: 7rem;
    margin: 0 auto;
  }

  .advan_l {
    margin-left: 0;
  }

  .advan_p3 {
    line-height: 2;
    color: #333947 !important;
  }

  .advan_bg,
  .hgfw {
    padding: 0.5rem 0;
  }

  .hgfw_p1,
  .hgfw_d2 .hgfw_p1 {
    margin-bottom: 0
  }

  .advan_r {
    width: 100%;
    margin-bottom: 0.3rem;
    text-align: left;
  }

  .advan_p4::after {
    left: 0;
  }

  .advan_r_img {
    width: 70%;
    margin: 0 auto;
  }

  .advan_r_img img {
    width: 100%;
    object-fit: contain;
  }

  .chall_img1 {
    width: 70%;
    margin: 0 auto;
  }

  .chall_img1 img {
    width: 100%;
    object-fit: contain;
  }

  .hgfw_img {
    margin-top: 0.3rem;
  }

  .advan {
    flex-direction: column-reverse;
  }

  .solution_item {
    margin-right: 0;
    width: 3rem;
    margin-bottom: 0.5rem;
  }

  .solution {
    padding: 0.5rem;
  }
}